Capital Stock (Tables)

12 Months Ended

Sep. 30, 2017

Equity [Abstract]

Schedule of Common Stock Outstanding

The following table reflects the changes in common shares:

Year ended 30 September	2017	2016	2015
Number of Common Shares Outstanding
Balance, beginning of year	217,350,825	215,359,113	213,538,144
Issuance of treasury shares for stock option and award plans	995,249	1,991,712	1,820,969
Balance, end of year	218,346,074	217,350,825	215,359,113